Greece’s National Intelligence Service (EYP) released a new batch of declassified files from its early years on Wednesday, offering fresh insight into domestic surveillance, intelligence analysis, and foreign relations during the Cold War in the 1950s, a period still marked by the trauma of the post-civil war years.
The material dates from 1953 to 1959, when the agency operated under the acronym KYP, or Central Intelligence Service. The release includes 123 documents spanning about 2,000 pages. Now available on the agency’s website, the files contain intelligence bulletins, analyses, and assessments focused on the so-called communist threat, one of the Greek state’s main concerns at the time.
Files capture a deeply polarized era
According to the present-day agency, the files reflect the political and ideological climate of the period, shaped by Cold War tensions and a deeply polarized domestic landscape in the aftermath of the Greek Civil War, which lasted from 1946 to 1949.
The archive covers a broad range of subjects, including developments in Soviet bloc countries, the activities of Greeks abroad suspected of communist affiliations, internal security matters, and conditions in prisons and exile sites for political detainees. A second category of material focuses on regions of strategic interest to Greece, including the Balkans, Turkey, and the Middle East.
Archival material offers detail despite wear and age
The newly released cache consists of images of the original documents rather than transcribed text. The material appears in a much more formal version of Greek than the one used in official communication today, and some records show signs of poor preservation.
Even so, the files offer a detailed picture of how the Greek state monitored political activity, interpreted foreign developments, and framed security threats during a highly sensitive period in modern Greek history.
Greece’s intelligence files mark second phase of broader declassification efforts
The latest batch marks the second phase of a broader declassification effort. In November 2024, the agency released intelligence bulletins related to Cyprus during the events of July and August 1974. EYP said its long-term goal is to create a systematic process that gradually opens historical records to researchers and the public, particularly for periods considered sensitive or controversial.
“These documents must be understood within the context of their time,” EYP Director Themistoklis Demiris said, stressing that both the content and the language of the reports reflect the anti-communist climate of the 1950s. At the time, authorities had outlawed the Communist Party of Greece, or KKE, and fears of political instability remained widespread.